1954291255

素因数分解:

$5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{47}}^2\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 72

約数和(自身を含む): 2927022048

約数和(自身を除く): 972730793

約数列:

[1, 5, 7, 23, 35, 47, 49, 115, 157, 161, 235, 245, 329, 785, 805, 1081, 1099, 1127, 1645, 2209, 2303, 3611, 5405, 5495, 5635, 7379, 7567, 7693, 11045, 11515, 15463, 18055, 25277, 36895, 37835, 38465, 50807, 51653, 52969, 77315, 108241, 126385, 169717, 176939, 254035, 258265, 264845, 346813, 355649, 361571, 541205, 848585, 884695, 1188019, 1734065, 1778245, 1807855, 2427691, 2489543, 5940095, 7976699, 8316133, 12138455, 12447715, 16993837, 39883495, 41580665, 55836893, 84969185, 279184465, 390858251, 1954291255]

約数ペア:

[(1, 1954291255), (5, 390858251), (7, 279184465), (23, 84969185), (35, 55836893), (47, 41580665), (49, 39883495), (115, 16993837), (157, 12447715), (161, 12138455), (235, 8316133), (245, 7976699), (329, 5940095), (785, 2489543), (805, 2427691), (1081, 1807855), (1099, 1778245), (1127, 1734065), (1645, 1188019), (2209, 884695), (2303, 848585), (3611, 541205), (5405, 361571), (5495, 355649), (5635, 346813), (7379, 264845), (7567, 258265), (7693, 254035), (11045, 176939), (11515, 169717), (15463, 126385), (18055, 108241), (25277, 77315), (36895, 52969), (37835, 51653), (38465, 50807)]