7387618515

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{157}}^1$

素因数の和:389

約数の個数: 128

約数和(自身を含む): 13445885952

約数和(自身を除く): 6058267437

約数列:

[1, 3, 5, 15, 17, 23, 51, 69, 71, 85, 113, 115, 157, 213, 255, 339, 345, 355, 391, 471, 565, 785, 1065, 1173, 1207, 1633, 1695, 1921, 1955, 2355, 2599, 2669, 3611, 3621, 4899, 5763, 5865, 6035, 7797, 8007, 8023, 8165, 9605, 10833, 11147, 12995, 13345, 17741, 18055, 18105, 24069, 24495, 27761, 28815, 33441, 38985, 40035, 40115, 44183, 53223, 54165, 55735, 61387, 83283, 88705, 120345, 132549, 136391, 138805, 167205, 184161, 184529, 189499, 220915, 256381, 266115, 301597, 306935, 408043, 409173, 416415, 553587, 568497, 662745, 681955, 769143, 904791, 920805, 922645, 947495, 1224129, 1259611, 1281905, 1507985, 2040215, 2045865, 2767935, 2842485, 3136993, 3778833, 3845715, 4358477, 4523955, 6120645, 6298055, 6936731, 9410979, 13075431, 15684965, 18894165, 20810193, 21413387, 21792385, 28971053, 34683655, 47054895, 64240161, 65377155, 86913159, 104050965, 107066935, 144855265, 321200805, 434565795, 492507901, 1477523703, 2462539505, 7387618515]

約数ペア:

[(1, 7387618515), (3, 2462539505), (5, 1477523703), (15, 492507901), (17, 434565795), (23, 321200805), (51, 144855265), (69, 107066935), (71, 104050965), (85, 86913159), (113, 65377155), (115, 64240161), (157, 47054895), (213, 34683655), (255, 28971053), (339, 21792385), (345, 21413387), (355, 20810193), (391, 18894165), (471, 15684965), (565, 13075431), (785, 9410979), (1065, 6936731), (1173, 6298055), (1207, 6120645), (1633, 4523955), (1695, 4358477), (1921, 3845715), (1955, 3778833), (2355, 3136993), (2599, 2842485), (2669, 2767935), (3611, 2045865), (3621, 2040215), (4899, 1507985), (5763, 1281905), (5865, 1259611), (6035, 1224129), (7797, 947495), (8007, 922645), (8023, 920805), (8165, 904791), (9605, 769143), (10833, 681955), (11147, 662745), (12995, 568497), (13345, 553587), (17741, 416415), (18055, 409173), (18105, 408043), (24069, 306935), (24495, 301597), (27761, 266115), (28815, 256381), (33441, 220915), (38985, 189499), (40035, 184529), (40115, 184161), (44183, 167205), (53223, 138805), (54165, 136391), (55735, 132549), (61387, 120345), (83283, 88705)]