16378990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 33592320

約数和(自身を除く): 17213330

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 59, 71, 85, 115, 118, 142, 170, 230, 295, 355, 391, 590, 710, 782, 1003, 1207, 1357, 1633, 1955, 2006, 2414, 2714, 3266, 3910, 4189, 5015, 6035, 6785, 8165, 8378, 10030, 12070, 13570, 16330, 20945, 23069, 27761, 41890, 46138, 55522, 71213, 96347, 115345, 138805, 142426, 192694, 230690, 277610, 356065, 481735, 712130, 963470, 1637899, 3275798, 8189495, 16378990]

約数ペア:

[(1, 16378990), (2, 8189495), (5, 3275798), (10, 1637899), (17, 963470), (23, 712130), (34, 481735), (46, 356065), (59, 277610), (71, 230690), (85, 192694), (115, 142426), (118, 138805), (142, 115345), (170, 96347), (230, 71213), (295, 55522), (355, 46138), (391, 41890), (590, 27761), (710, 23069), (782, 20945), (1003, 16330), (1207, 13570), (1357, 12070), (1633, 10030), (1955, 8378), (2006, 8165), (2414, 6785), (2714, 6035), (3266, 5015), (3910, 4189)]