219690588

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{21019}}^1$

素因数の和:21106

約数の個数: 48

約数和(自身を含む): 560309120

約数和(自身を除く): 340618532

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 67, 78, 134, 156, 201, 268, 402, 804, 871, 1742, 2613, 3484, 5226, 10452, 21019, 42038, 63057, 84076, 126114, 252228, 273247, 546494, 819741, 1092988, 1408273, 1639482, 2816546, 3278964, 4224819, 5633092, 8449638, 16899276, 18307549, 36615098, 54922647, 73230196, 109845294, 219690588]

約数ペア:

[(1, 219690588), (2, 109845294), (3, 73230196), (4, 54922647), (6, 36615098), (12, 18307549), (13, 16899276), (26, 8449638), (39, 5633092), (52, 4224819), (67, 3278964), (78, 2816546), (134, 1639482), (156, 1408273), (201, 1092988), (268, 819741), (402, 546494), (804, 273247), (871, 252228), (1742, 126114), (2613, 84076), (3484, 63057), (5226, 42038), (10452, 21019)]