71455252

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 140434560

約数和(自身を除く): 68979308

約数列:

[1, 2, 4, 11, 22, 44, 71, 89, 142, 178, 257, 284, 356, 514, 781, 979, 1028, 1562, 1958, 2827, 3124, 3916, 5654, 6319, 11308, 12638, 18247, 22873, 25276, 36494, 45746, 69509, 72988, 91492, 139018, 200717, 251603, 278036, 401434, 503206, 802868, 1006412, 1623983, 3247966, 6495932, 17863813, 35727626, 71455252]

約数ペア:

[(1, 71455252), (2, 35727626), (4, 17863813), (11, 6495932), (22, 3247966), (44, 1623983), (71, 1006412), (89, 802868), (142, 503206), (178, 401434), (257, 278036), (284, 251603), (356, 200717), (514, 139018), (781, 91492), (979, 72988), (1028, 69509), (1562, 45746), (1958, 36494), (2827, 25276), (3124, 22873), (3916, 18247), (5654, 12638), (6319, 11308)]